This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:31,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:31,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:31,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:31,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:31,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:31,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:31,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:31,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:32,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:32,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:32,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:32,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:32,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:32,002 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:32,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:32,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:32,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:32,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:32,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:32,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:32,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:32,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:32,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:32,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:32,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:32,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:32,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:32,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:32,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:32,010 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:32,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:32,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:32,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:32,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:32,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:32,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:32,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:32,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:32,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:32,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:32,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:32,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:32,014 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:32,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:32,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:32,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:32,291 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:32,291 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:32,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.yml/witness-2.1.yml [2024-09-13 10:07:32,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:32,370 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:32,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested9.i [2024-09-13 10:07:33,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:33,770 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:07:33,937 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:33,937 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i [2024-09-13 10:07:33,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/32650ef7d/4026649c9c5c467092ea6926e7299949/FLAG5a9d337db [2024-09-13 10:07:34,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/32650ef7d/4026649c9c5c467092ea6926e7299949 [2024-09-13 10:07:34,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:34,327 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:34,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:34,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:34,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:34,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (1/2) ... [2024-09-13 10:07:34,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537ab3c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:34, skipping insertion in model container [2024-09-13 10:07:34,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (1/2) ... [2024-09-13 10:07:34,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@eb5a11b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:34, skipping insertion in model container [2024-09-13 10:07:34,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:34" (2/2) ... [2024-09-13 10:07:34,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537ab3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34, skipping insertion in model container [2024-09-13 10:07:34,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:34" (2/2) ... [2024-09-13 10:07:34,372 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:34,373 INFO L1541 ArrayList]: Loop invariant at [L36-L37] ((((((long long) i + 1) <= n) && (((long long) j + 1) <= ((long long) i * 3))) && (k <= (i + ((long long) n * 2)))) && (((long long) i * 2) <= j)) [2024-09-13 10:07:34,373 INFO L1541 ArrayList]: Loop invariant at [L35-L37] (((((((long long) i + 1) <= n) && (j <= ((i + ((long long) n * 2)) + 1))) && (((long long) i * 2) <= j)) && (1 <= i)) || (((1 <= n) && (j == 0)) && (i == 0))) [2024-09-13 10:07:34,373 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((i <= ((long long) n + 1)) && (2 <= n)) && (1 <= i)) || ((i == 1) && (0 <= n))) || (i == 0)) [2024-09-13 10:07:34,373 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:07:34,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:34,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2024-09-13 10:07:34,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:34,626 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:34,668 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:07:34,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:34,711 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:34,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34 WrapperNode [2024-09-13 10:07:34,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:34,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:34,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:34,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:34,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,744 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:07:34,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:34,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:34,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:34,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:34,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (1/1) ... [2024-09-13 10:07:34,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:34,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:34,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:07:34,807 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:07:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:34,926 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:34,928 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:35,090 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:35,099 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:35,120 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:35,121 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-13 10:07:35,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:35 BoogieIcfgContainer [2024-09-13 10:07:35,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:35,125 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:35,125 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:35,126 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:35,127 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (1/4) ... [2024-09-13 10:07:35,127 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66dd2602 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,128 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:34" (2/4) ... [2024-09-13 10:07:35,128 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66dd2602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,128 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:34" (3/4) ... [2024-09-13 10:07:35,129 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66dd2602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,129 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:35" (4/4) ... [2024-09-13 10:07:35,130 INFO L79 RefereeObserver]: Analyzing ICFG nested9.i [2024-09-13 10:07:35,135 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-13 10:07:35,135 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:35,136 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:35,136 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:07:35,136 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:35,137 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:35,137 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:35,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:35,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:35,138 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:35,138 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 10:07:35,190 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:07:35,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,223 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:07:35,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,226 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,250 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,267 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:35,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,269 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,275 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:35,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,279 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,290 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:07:35,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,303 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:07:35,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,304 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,304 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,304 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,309 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,325 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:35,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,326 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,326 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,337 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:07:35,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,358 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:35,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,359 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,367 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:07:35,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,374 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,383 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:35,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,387 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:35,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,390 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:35,398 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:35,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,401 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:35,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,402 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,404 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:35,413 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:35,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,414 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,415 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:35,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,418 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:35,427 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:35,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:35,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:35,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:35,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:35,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,431 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:35,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:35,431 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:35,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:35,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:35,432 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:35,434 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:35,437 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:35,437 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66dd2602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,438 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:35,440 INFO L158 Benchmark]: Toolchain (without parser) took 1112.20ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 56.6MB in the end (delta: 21.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-13 10:07:35,441 INFO L158 Benchmark]: Witness Parser took 0.58ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:35,441 INFO L158 Benchmark]: CDTParser took 2.49ms. Allocated memory is still 146.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:35,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.64ms. Allocated memory is still 146.8MB. Free memory was 78.0MB in the beginning and 108.2MB in the end (delta: -30.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:35,443 INFO L158 Benchmark]: Boogie Preprocessor took 53.48ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 106.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:35,444 INFO L158 Benchmark]: RCFGBuilder took 357.52ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 91.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:35,445 INFO L158 Benchmark]: Referee took 312.32ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 56.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:35,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.58ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 2.49ms. Allocated memory is still 146.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.64ms. Allocated memory is still 146.8MB. Free memory was 78.0MB in the beginning and 108.2MB in the end (delta: -30.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.48ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 106.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.52ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 91.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 312.32ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 56.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:35,476 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...